1. University of Arizona College of Medicine, Tucson, AZ, USA;
2. Department of Dermatology and Cutaneous Surgery, University of Miami, Miami, FL, USA;
3. Department of Dermatology, University of California San Francisco, San Francisco, CA, USA;
4. Department of Dermatology, University of California Davis, Sacramento, CA, USA;
5. Division of Dermatology, University of California Los Angeles, Los Angeles, CA, USA;
6. Division of Dermatology, University of Arizona Department of Medicine, Tucson, AZ, USA